Deal Structure July 7, 2026 By Dr. Connor Robertson

Asset vs. Stock Purchase: The Deal Structure Decision That Defines Your Risk

Business contract documents on a desk with a pen

Most first-time acquirers spend months obsessing over valuation, financing, and due diligence checklists. Then, somewhere near the finish line, an attorney asks a question that catches them completely off guard: "Are you buying the assets or the stock?" The answer to that question shapes your tax liability, your legal exposure, and the actual economics of your deal more than almost anything else in the transaction.

This is not a technical footnote. It is a fundamental structural decision with real money on the line, often six or seven figures in aggregate tax impact alone. Here is a practical framework for understanding the two structures, who benefits from each, and how to negotiate around the inevitable conflict they create between buyer and seller.

The Core Distinction

When you buy a business, you are essentially buying one of two things: the stuff the business owns, or the business entity itself.

In an asset purchase, you buy specific assets from the selling entity: customer lists, equipment, inventory, contracts, intellectual property, goodwill, and whatever else you negotiate into the deal. The legal entity that formerly owned those assets continues to exist, but now it is a shell that has been emptied of its operating assets. The liabilities of that old entity, in most cases, do not follow the assets to you.

In a stock purchase, you buy the shares of the legal entity itself. You are not buying assets and liabilities separately. You are buying the whole enterprise, exactly as it exists, complete with its history, its contracts, its tax elections, and every liability it has ever incurred, whether disclosed or not.

That difference in liability exposure is why buyers almost always prefer asset purchases and sellers almost always prefer stock purchases. The negotiation between them is where the deal structure actually gets made.

Why Buyers Want Asset Purchases

The buyer's preference for asset deals comes down to three things: liability protection, tax efficiency, and fresh-start flexibility.

Liability Protection

When you buy assets, you generally do not inherit the seller's liabilities. That means lawsuits filed against the old entity after closing, unpaid payroll taxes the seller failed to disclose, environmental cleanup obligations from years of improper disposal, product liability claims from goods sold before you owned the business. None of those follow you in a properly structured asset deal.

In a stock purchase, you own the entity that owns all of those liabilities. Successor liability is a real risk, and even thorough due diligence cannot surface everything. Unknown liabilities are the number one reason experienced acquirers fight hard for asset purchase structures.

Tax Efficiency: Step-Up in Basis

This is the tax benefit that makes asset purchases so valuable for buyers. When you buy assets, you get to allocate the purchase price across each asset category at the values you paid. Those become your new tax basis in those assets. You can then depreciate tangible assets and amortize intangible assets, including goodwill, over their IRS-defined recovery periods.

Under current law, goodwill and going-concern value are amortized over 15 years under IRC Section 197. Equipment and other personal property can qualify for bonus depreciation depending on the applicable law, which in many years has allowed substantial first-year expensing. The point is that your purchase price creates a large depreciable and amortizable asset base that reduces your taxable income for years after the acquisition, essentially subsidizing your debt service with tax savings.

In a stock purchase, you do not get this step-up. You inherit the seller's existing tax basis in their assets, which on a business that has been operating for 20 years may be nearly zero. The same business purchased via stock deals you a significantly worse tax position as the buyer.

Fresh-Start Flexibility

Asset purchases let you be selective. You can buy the customer relationships and the equipment without assuming the lease you do not want. You can buy the intellectual property and the trade name without taking on employment contracts for underperforming staff the seller never managed out. You build the business you want to operate, not the one that already existed.

Why Sellers Want Stock Purchases

Sellers have an equally clear preference, and it is almost entirely driven by taxes.

When a seller sells stock held for more than one year, the gain is taxed at long-term capital gains rates, which currently top out at 20% for most sellers, plus the 3.8% net investment income tax for higher earners. On a $3 million transaction, that might mean federal taxes of roughly $720,000.

In an asset sale, the gain is not that simple. Different assets generate different types of income. Depreciation recapture on equipment is taxed as ordinary income. Gains on accounts receivable are ordinary income. Only the goodwill portion typically qualifies for capital gains treatment. For a business that has claimed significant depreciation over the years, the effective tax rate on an asset sale can be substantially higher than on a stock sale. The seller might pay $900,000 in taxes instead of $720,000 on the same $3 million headline price.

That $180,000 difference is real money to the seller, and it is the source of most of the negotiation tension around deal structure.

The Purchase Price Allocation: Where the Deal Gets Complicated

Even when both parties agree to an asset purchase, the fight does not end there. It moves to the purchase price allocation, which is the schedule that breaks down how much of the total purchase price is assigned to each asset category.

The IRS requires buyers and sellers to file Form 8594 agreeing on this allocation. The allocation matters because different categories have different tax consequences for both sides. Buyers want as much of the price allocated to assets with short depreciable lives, like equipment (5-7 years) and Section 197 intangibles (15 years for goodwill). Sellers want allocation concentrated in goodwill to preserve capital gains treatment rather than triggering ordinary income on depreciation recapture.

The seven asset classes under IRC Section 338 are, in order: cash and cash equivalents, securities, accounts receivable, inventory, property other than the above, Section 197 intangibles (including goodwill and going concern value), and the seller's covenant not to compete.

One practical note: a covenant not to compete is taxed as ordinary income for the seller and deductible over the non-compete period for the buyer. Both sides often negotiate the non-compete separately from the main deal precisely because the tax treatment differs from goodwill.

Bridging the Gap: How Deals Get Done

Since asset purchases typically produce worse economics for sellers and stock purchases produce worse economics for buyers, most successful deals involve some kind of structure to bridge the gap. Three approaches are common.

The Price Adjustment

The most direct solution is a gross-up in the purchase price to compensate the seller for the additional tax burden of an asset deal. If you are asking the seller to accept $180,000 more in taxes than they would in a stock deal, you might offer $100,000 more in total price, still saving money relative to a stock purchase while giving the seller partial compensation.

The math on this varies by deal, and both parties should run it with their tax advisors. But the principle is sound: a higher headline price in an asset deal can be better for both buyer and seller compared to a lower headline price in a stock deal, once taxes are accounted for on both sides.

The 338(h)(10) Election

For acquisitions of S-corporations and certain C-corporation subsidiaries, the IRC Section 338(h)(10) election provides a middle-ground structure. The deal is done as a stock purchase legally, but both buyer and seller elect to treat it as an asset sale for tax purposes. The buyer gets the step-up in asset basis. The seller pays tax only once, at the entity level, rather than twice as in a standard C-corp asset deal.

This structure is particularly powerful for S-corp acquisitions because S-corps pass tax through to shareholders anyway. A properly structured 338(h)(10) election can dramatically reduce the friction between buyer and seller tax preferences and is worth discussing with a tax advisor early in any deal involving an S-corp target.

Hybrid Structures

Some transactions are structured as stock purchases with specific asset carve-outs, or asset purchases with specific liability assumptions. These hybrid approaches require careful drafting but can solve for situations where the buyer needs the step-up on certain assets but the seller needs the transaction to read as a stock deal for a specific reason, such as non-assignable contracts or licensing that would require third-party consent in an asset deal.

The Practical Checklist

Before you finalize your deal structure, work through these questions with your attorney and CPA together, not separately.

What entity type is the target? C-corp, S-corp, LLC, partnership. Each has different structural implications and tax treatments.
Are there significant unknown liabilities? Environmental, product liability, tax, employment. If you cannot get comfortable through diligence, asset structure is your primary protection.
Does the business have non-assignable contracts? Government contracts, professional licenses, and some commercial agreements cannot transfer in an asset deal without consent. This needs to be resolved early.
What is the asset mix? A business whose value is primarily goodwill creates different allocation dynamics than one with heavy tangible assets carrying significant accumulated depreciation.
How much does the seller's tax burden vary between structures? Run the numbers. The gap often creates room for a price adjustment that benefits both parties.
Is a 338(h)(10) election available? If you are buying an S-corp, this should be one of the first questions your advisors address.

What Most Buyers Get Wrong

The most common mistake is treating deal structure as a legal formality to be handled after the letter of intent is signed. In reality, the structure conversation should happen before the LOI, not after. Once you have a signed LOI with a headline price and no structural terms, you have given the seller a psychological anchor that makes it very difficult to later introduce a price adjustment to compensate for asset sale tax treatment.

The second most common mistake is having the wrong advisors in the room. Acquisition tax structuring is a specialty. A generalist CPA and a general business attorney will get you to a workable deal. A tax attorney who specializes in M&A and a CPA with transaction experience will get you to a substantially better one. The fee difference between those two teams is almost always smaller than the tax savings they generate.

The structure of a deal determines who actually wins. Price gets the headlines. Structure is where the money is made or lost.

For detailed treatment of deal structuring, tax elections, and negotiation tactics at every stage of the acquisition process, grab a copy of Creative Acquisitions.